Structure: A structure in C language is a collection of variables with a single name. These variables can be of different types.
Union: It is a special data type in C which allows us to store different data types in the same memory location.
Union: It is a special data type in C which allows us to store different data types in the same memory location.
Structure
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Union
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struct keyword is used to define Structure in C.
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union keyword is used to define Union in C.
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Members of structure do not share memory.
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Members of union shares the memory.
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Members of structure can be accessed at any time individually.
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At a time only one member of union can be accessed.
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Syntax:
{ datatype var1; datatype var2; --- --- datatype varn;
}struct_variable_name;
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Syntax:
{ datatype var1; datatype var2; --- --- datatype varn;
}union_variable_name;
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